Read more at The Guardian.

• Colorado oil and gas companies have injected at least 30 million pounds of secret chemicals underground over the past 18 months without making legally required disclosures.
• This occurred despite first-in-the-nation rules, effective July 2023, requiring operators to list all chemicals used in drilling and extraction and banning the use of PFAS “forever chemicals” at oil and gas sites.
• As of May 1, 2025, over 60% of the 1,114 fracking sites across the state had not filed the required information.
• Chevron, one of the world’s largest fossil fuel companies, is responsible for more than half of these non-compliant wells.
• A recent blowout at Chevron’s Noble Bishop site in April released toxic chemicals, including benzene, into the air near Galeton, with levels reportedly up to 10 times the safety threshold.
• Environmental and public health advocates state that the lack of transparency hinders medical care, exposes communities to toxic substances, and undermines state efforts to protect public health and the environment.
• Concerns remain about the weak enforcement of these new rules, which were intended to increase transparency in the oil and gas industry.